Q241
Open questionWhat is the number of mole(s) of H2(g) required to saturate one mole benzene?
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Q242
Open questionWhich of the following hydrocarbons have only one structure?
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Q243
Open questionSynthetic ethanol is produced by reacting ethene (in the presence of phosphoric acid) with
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Q244
Open question. . . . . . . . is an unsaturated hydrocarbon.
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Q245
Open questionWhat are the elements present in alcohol?
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Q246
Open questionDuring the first world war, which of the following gas was utilised as the chemical weapon?
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Q247
Open questionWhich of the following acids is present in ant bites?
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Q248
Open questionWhich of the following is the other name for 'marsh gas'?
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Q249
Open questionLactic acid is a:
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Q250
Open questionWhich one of the following carbon compounds will not give a sooty flame?
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Q251
Open questionThe antiseptic action of dettol is due to presence of
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Q252
Open questionUnsaturated carbon compounds burn in oxygen with excessive black smoke providing a flame with . . . . . . . .
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Q253
Open questionWhich of the following is not an explosive?
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Q254
Open questionWhich of the following acids is present in red ants?
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Q255
Open questionFormula of ethanol . . . . . . . . is.
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Q256
Open questionStudy the following statements.
1. The gas supplied in cylinders for cooking is mixture of C3H8 and C4H10.
2. The thermal decomposition of alkanes is known as cracking.
3. Paraffin wax is saturated hydrocarbons.
Which of the statements given above are correct?
1. The gas supplied in cylinders for cooking is mixture of C3H8 and C4H10.
2. The thermal decomposition of alkanes is known as cracking.
3. Paraffin wax is saturated hydrocarbons.
Which of the statements given above are correct?
Select an option to see the answer and solution.